Vse Serievs en 0510

8/3/2019 Vse Serievs en 0510

1/22

soluionorfluidtechnology

vs seRies

flow meAsuRementTECHNOLOGY


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2

vsi-high definition pReAmplifieR The VSI High Definition Preamplifier supplies digitalsignals witha higher resolution of the measuredvalue.Theresolutioncanbeprogrammedbetween4and64

angle steps and it enables a frequency multiplicationupto factor 16.TheK-factor oftheflowmeter can beincreaseduptofactor64.Themaximumfrequencyatfull

flowcanbe26kHz.

eX-types Intrinsicallysafemodels,withapprovalcodel1G

EExiallCT4-T6,aresuppliedforapplicationsinpotenti-allyexplosion-hazardousareas.VSEdeliversthesetypeswith isolation switch amplifier models MK 13 P Ex

Ex0/21VDC/K15.

vs positive displAcement flow meteRs

vs flow meteRVSpositivedisplacementflowmetersarevolumeratemeasuringsensorsbasedonthemeshinggearprinciple

and are designed for use with liquids. Two preciselymatchedgearwheelsareenclosedin averyaccuratelymachined housing. Gear rotation is sensed by a non-contacting signal pick-up system. Each tooth produces

oneimpulse.

The space between the gear teeth, when fully

enclosedonbothsidesbythehousing,constitutesmeasu-ringchambers.Fluidflowcausesthegearstorotateandtheincomingflowisseparatedintodiscretevolumeswithin

thesechambersi.e.thevolumeofliquidpassingthroughtheunitwillcauserotationofthegearsbyexactlyone

toothpitch.

This volume is known as the Volume/Impulse (Vm

)

andisstatedincc/Imp.Itisusedtodefinethesizeofaflowmeter.

eXplAnAtions of pReAmplifieR of signAl

picK-up systemThenon-contactpick-upsensorsconsistoftwodifferential

magnetoresistors,whicharecircumferentiallyoffsetfromoneanotherby1/4ofatoothpitch.Thesignalsofbothpick-up sensors are digitised with two signal amplifiers

and amplified via followed shortcircuit proof push-pull

outputstages.Thesquarewaveoutputsignalsarebidirectionalandmay

besimplyprocessedbyanyexternalelectronics,plccontrolor computer. The processing of the 90 phase anglebetween signals enables recognition of flow direction

andimpulserateconversionwithafactorof1,2and4.

Thesignalfrequencyisproportionaltothemomentary

flowrate(volumerate)dependentontheparticularflowmetersize.Thefrequencyrangeextendsfrom02000Hz.Thepreamplifierisprotectedagainstreversepolarity

andincorrectconnection.Formediumtemperaturesbet-ween-40Cand120C(-22Fand248F)theunitismounteddirectlyontheflowmetercover.

sensoR systems foR eXtended

tempeRAtuRe RAnge For liquid temperatures up to 210C (410F) aspecialpickupsystemisavailable.

vs flow meteR selection

Fortrouble-freeandsafeoperationoftheflowmeters

thecorrectselectionoftypeandsizeisdecisive.Dueto

thegreatnumberofdifferentapplicationsandflowmeter

versions,thetechnicaldataintheVSE-cataloguesareof

generalcharacter. Certain characteristic of thedevices

dependontype,sizeandmeasuringrangeaswellason

themediumtobemeasured.Forexactflowmeterselection

pleasecontactVSE.


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3

BlocK diAgRAm

output signAls of pReAmplifieR

flow meteR vs 0,02... vs 4 flow meteR vs 10

Gear rotation of one tooth pitch

One impulse

Volume / impulse in cm 3 / Imp

Channel1

Channel2

Channeloffsetby1/4oftoothpitch(90)

Impulsemark/spaceratio(adjust.atpreamplier)

Fl owi ndi re ct ion1 F lowi n di rec ti on2

Upp

+ Volts

Channel 1

0 Volts

Channel 2

brown

white

blue

black

ProcessorUnit

Signal Amplifiers Push-pulloutputstages

Potential equalization

* voltAge RAnges Supplyvoltages: U

v=10...28VDC

Impulsevoltages: Upp

=Uv1V

* voltAge RAnges Supplyvoltages: U

v=10...28VDC

Impulsevoltages: Upp

=Uv1V

Channel1

Channel2

Channeloffsetby1/4oftoothpitch(90)

Impulsemark/spaceratio(adjust.atpreamplier)

Flowdirec tion1 Flowdirec tion2

Gear rotation of one tooth pitch

3 impulse pro volume (10 cm3 ) of one tooth pitch

Volume / impulse in cm3 / Imp (10/3 cm3 =V

m)


4/22

4

ApplicAtionsAll liquids that can be pumped and have known

lubrication properties can be measured, for example:petrol, paraffin, kerosene, diesel, Skydrol, mineral oils,hydraulicoilsincludingfireresistantfluids,inks,dyesand

paints, greases, polyurethane, polyol and isocyanates,Araldite,glues,pastesandcreams,resins,waxes...andmanyothers.

RAnges of ApplicAtions in

the Automotive industRy

Brakingsystemteststands

Fuelconsumptionmeasurement

Polyurethane foams for steering wheels, fascia, seats etc.

Paintsprayingsystems

Steeringsystems

Batching and filling of motor oils, brake fluids, anti- freeze,corrosionpreventatives,waxesetc.

Adhesivecoatingsforwindscreens,headlights,engine housingsetc.

hydRAulics

Volumeandflowratemeasurement

Leakageandrupturemonitoring

Cylinderspeedandpositionmeasurement

Positioningandstepcontrol

Measurement,controlandregulationofflowratesand volumes

Teststandsforpumps,motors,valves,proportionalsand servo-valves

Synchronisedmulti-cylindermonitoring

Fillingandadditiveblending

dyes And pAints

Paintsprayingsystems

Batchingandfilling

Volume,flowrateandconsumption

Monitoringofmixingratios

plAstics technology

Mixing,mouldingandbatchingsystemsforsingleand multicomponentfluidplastics

Consumptionmeasurementofe.g.: Epoxyadhesives and potting compounds (resins and hardeners) for transformers, coils, relays, condensers,

armatures,initiators,auto-electronics

Measuring,controlandregulationofsinglecomponents andmixingratios

Siliconpottingcompounds

Polyurethanefoams(polyolandisocyanate)forsteering wheels,seals,shoes,soles,surfboards,furniture,com- putercasings,isolationetc.

hotadhesive

chemicAl industRy

Flowrateandvolumemeasurementinprocessplantand plantsystems

Blending and filling chemical products such as liquid plasticsadhesives,resins,hardeners,potting,compounds,

solvents,fuels,foamesplasticisers,dyesand paints, oils and synthetic products etc. application in laboratories and manufacturing plants (in normal and explosion-

hazardousareas)

Control and regulation of single components, mixing ratiosandconsumptionofvariouscomponents

Leakagemeasurementandleakagemonitoringonplant

Measurement, indication and logging of data for productqualityassurance

speciAl designs on Request

The issue of this catalogue invalidates all specifica-tions in earlier publications. Changes and deviationsare reserved by VSE. VSE will not accept liability

for printing errors. Reproduction, including excerpts,is only permitted with written permission by VSE.Revision:05/2010

RAnges of ApplicAtions


5/22

5

Ara 0.3%ofmeasuredvalueatviscosity>20cSt(


6/22

6

flow Response cuRves

flowr

esistance

p

flowrateQ

flowr

esistance

p

flowr

esistance

p

flowr

esistance

p

flowr

esistance

p

flowr

esistance

p

flowr

esistance

p

flowr

esistance

p

vs 0.1 vs 0.2

vs 1vs 0.4

vs 4vs 2

vs 0.02 vs 0.04

flowrateQ

flowrateQ flowrateQ

flowrateQ flowrateQ

flowrateQ flowrateQ


7/22

7

r

*GG=CastIronEN-GJS-400-15(EN1563)

*E =StainlessSteel1.4305 Dimensionsarespecifiedinmm

cAst iRon veRsionHousingcurvemillcutted

cAst iRon veRsion

connection dRAwingViewX

Flowmeter

Subplate

Flowmeter

Subplate

side poRts Bottom poRts

vs flow meteR dimensions

to and

andtostAinless steel veRsion

connection dRAwingHousingnotmillcutted

ViewX

Grounding

Centre bores

Grounding

Plug direction for

Plug direction for

Centre bores

sz

vs / vsiA B c d e g h K l m n o-r gg*

k

e*

k

0.02 100 80 91 M6 12 9 114 58 70 40 20 11 x2 2.8 3.4

0.04 100 80 91.5 M6 11.5 9 114.5 58.5 70 40 20 11 x2 2.8 3.4

0.1 100 80 94 M6 9 9 117 61 70 40 20 11 x2 2.8 3.4

0.2 100 80 93.5 M6 9.5 9 116.5 60.5 70 40 20 11 x2 3.0 3.7

0.4 115 90 96.5 M8 11.5 16 119.5 63.5 80 38 34 17.96x2.62 4.0 5.0

1 130 100 101 M8 12 16 124 68 84 72 34 17.96x2.62 5.3 6.8

2 130 100 118 M8 15 16 141 85 84 72 34 17.96x2.62 6.7 8.4

4 180 140 143 M12 20 30 166 110 46 95 45 36.17x2.62 14.7 18.4

w


8/22

8

side poRts Bottom poRts *

CastIron/APG.S.. ./. StainlessSteel/APE.S.. ./. CastIron/APG.U... /. StainlessSteel/APE.U.. ./.

AffiliAted

siZe

vs / vsi

g pipe thReAd

clAssificAtion

g f h e

0.02/0.04

0.1/0.2

G1/4 35 20 26

0.02/0.04

0.1/0.2

G3/8 35 23 30

0.02/0.04

0.1/0.2

0.4/1/2

G1/2

G1/2

35

35

28

28

38

46

0.4/1/2 G3/4 40 33 52

1/2 G1 55 41 55

4 G11/4 70 51 60

4 G11/2 AP..U=70 56 72

4 G11/2 AP..S=80 56 72

*Bothbottomports(G)forsizeAPG4UandAPE4Uhaveadisplacementof90totheshowndrawings.

sz d w

vs / vsi Ap A B c d l m k

0.02 / 0.04

0.1 / 0.2

AP.02 80 90 40 70 100 M6/12 1.8

0.4 AP.04 90 100 38 80 115 M8/15 2.7

1 / 2 AP.1 100 110 72 84 130 M8/15 3.6

4 APG4

APG4UG

APE.4

120

140

140

130

120

100

120

100

110

100

110

180

M8/15

M8/15

M8/15

7.4

7.4

12

Ap suBplAte dimensions

1

2

2

1 OnlyforAPG.U.../.;APE.U.../.OnlyforAPE.S.../.;APE.U.../.

Specialdesignsonrequest

AffiliAted

siZe

vs / vsi

g pipe thReAd

clAssificAtion

g f h e 11

sz d w

vs / vsi Ap A B c d l m k22


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9

vs 10 flow meteR

sz f ra / gpm K-far

i. /

i. / ga.

VS10 1.5...525 0.3963...138.69 300 1135.63

Ara 0.3%ofmeasuredvalueatviscosity>20cSt(


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10

flow Response cuRves

dimensions

suBplAte dimensions

flowr

esistance

p

Dimensionsarespecifiedinmm

Dimensionsarespecifiedinmm

APG10SGON/1 APG10SWON/1

flowrateQ


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11

vse flow meteRs in eX-design / the BARRieR AmplifieR

I

I

Potential equalization system!

3

4

Explosion-hazardous area Non-explosion-hazardous area

5

6

7

8

pnp

pnp

+

-power

Signal (1. Channel)

Inv. signal (1. Channel)

Ub2+

GND2 (0V; Ub2-)

Flow meter

Isolation switching amplifier: 1. ChannelEvaluation unit

3

4

5

6

7

8

pnp

pnp

+

-power

Isolation switching amplifier: 2. Channel

Signal (2. Channel)

Inv. signal (2. Channel)

Ub1+

GND1 (0V; Ub1-)MK 13-P-Ex0/24VDC/K15

MK 13-P-Ex0/24VDC/K15

Potential equalization system!

B

B+-

4

2

1

2. Channel+- 3

+-

1

2

1

1. Channel+- 2

ifrequired

the BARRieR AmplifieR mK 13-p-eX 0 / 24

vdc / K15ThebarrieramplifierMK13-P-Ex0/24VDC/K15enablesa galvanic isolated transmission of binary switchingstatus. It has an intrinsically safe control circuit and is

certifiedaccordingtoII(1)GD(EExial)IIC.There is a galvanic separation from the control circuitto the output circuit and to the power supply. For the

transmission of two channels, two barrier amplifiers ofthis version are necessary. The control circuit can be

monitoredconcerningwirebreakingandshortcircuit(themonitoringcanbeswitchedoffviaawirejumper).Anerrorinthecontrolcircuitstopsthesignaloutputbutisnotdisplayedasanerrormessage.Twoplus-switching

shortcircuitprooftransistoroutputs(PNP-outputs)displaythedigitalsignalofachannelantivalently.

f r vse ab, b, puR, Barrr afir

t vs****32 q1* / * ; 4 x 0,34 2 t mK 13-p-ex 0 / 24 vdc / K15

BVS05ATEXE071X PUR PTB06ATEX2025

ll1GEExiallCT4-T6 ll(1)G[EExia]llC

Ui

= 18,5V R =0,053/m Uo=9,9V

Ii

= 24mA L =0,85H/m (x) Io

=22mA

Pi

=100mW CA-A

=55pF/m (x) Po

=54mW

Ri

= 0 CA-S

=105pF/m (x)

Li

= 0 [(x)=measuredat1000Hz]

Ci

= 0,27F c B

Lo/mH 1 5 10 2 10 20

Co/F 1,5 0,75 0,65 5 3,5 3

trar a t4 t5 t6

ambienttemperature -20CTamb

95C -20CTamb

70C -20CTamb

55C

liquidtemperature -20CTMed

100C -20CTMed

75C -20CTMed

60C

vse flow meteRs in eX-designThe VSE flow meters of the VS-series in Ex-designare approved for applications in potentially explosion-

hazardousareasandarealwaysoperatedinconjunctionwithoneortwobarrieramplifiers.Theyhavebluemar-kingsandofferthenecessaryEx-protectionsecurity.The

typeplateshowsthenecessarydescriptionaccordingtoDINEN50014,thetypekeyandthesafety-relatedandelectricdata. VSE can supply the flow meters with the

barrieramplifierstypeMK13-P-Ex0/24VDC/K15.


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12

option foR stAinless-steel

flow meteRs vs 0,04 vs 4Thepick-upsystemconsistsofoneortwosensorunits,whicharescrewedintothecoveroftheVSflowmeterandofadownstreamswitchedamplifier.Thisamplifieris

connectedwiththeflowmeterbymeansofatemperatureresistantcableandhastobeinstalledoutsidethehightemperaturearea,wheretheambienttemperatureshouldnotexceed50C(122F).

Dependingontheamplifierversion,thedigitalsignalsare output as PNP or NPN switching signals. The fol-

lowing pictures show the respective connection of theelectronicreadout:

For long cable lengths and high input impedanceof the readout it is recommended to use shieldedcablesandapull-down(PNP-signal)orapull-up(NPN-

signal)resistors.

connection: pnp-switching

connection: npn-switching

picK-up system foR high tempeRAtuRe RAnges

Flowmeter Amplif ier Electronicreadout

MeasuringControlling

PNP-Signal plus switching

NPN-Signal

minus switching


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13

technicAl dAtA / flow meteR dimensions

m trar 40C...210C

nbr k- 1or2pick-ups

pk- Magnetoresistive

era c PGcablefitting

ia-pr IP64

s va Ub

=10...30V DC+/10-%

crr c Ib =ca.15mA(idlemotion,withoutload)

sa o pnp HighSign:Us=U

b1V,l

s=25mAmax.

sa o npn LowSign:Us=0V,l

s=25mAmax.

era c 4-poleroundplugM12

max. Ab trar 50C

pr-a IP64

p- Rr 4.7...10K

p- Rr 4.7...10K

technicAl dAtA: sensoR unit

technicAl dAtA: AmplifieR

Centre bores

Amplifier

Cable lenght

r

flow meteR dimensions view X

sz A d e g K l m n p o-rw

k

VS0.04* 100 M6 11.5 9 58.5 70 40 20 22 11 x2 3.5

VS0.1 100 M6 9 9 61 70 40 20 22 11 x2 3.3

VS0.2 100 M6 9.5 9 60.5 70 40 20 22 11 x2 3.6

VS0.4 115 M8 11.5 16 63.5 80 38 34 22 17.96 x2.62 4.9

VS1 130 M8 12 16 68 84 72 34 22 17.96 x2.62 6.7

VS2 130 M8 15 16 85 84 72 34 22 17.96 x2.62 8.3

VS4 180 M12 20 30 110 46 95 45 12 36.17 x2.62 18.3

*Attention:*0.04withone(1)channelonly


14/22

14

type Key flow meteRs vs

type Key

eXAmple


15/22

15

suBplAtes Ap

suBplAtes Ap

eXAmple


16/22

16

flow meteRs with high definition pReAmplifieR

flow meteRs with high definition flow RAteThepreamplifiersofthestandardversionforflowmetersofthe

VSproductlineoutputonepulsepertooth-gapvolumeVZ,which

corresponds to the volume measurement Vm

(Vm

=VZ/pulse).

This occurs in two channels, so that a maximum resolution of

1/4VZfortheevaluationofallflankscanbeattained.Ahigher

resolutionisnotpossiblewiththesepreamplifiers.Asaveryhighresolutionisnecessaryforpreciseandexactflow

measurements,thevolumemeasurementVm

mustberesolvedevenmore than with conventional preamplifiers. VSE has thereforedevelopedthepreamplifierwithinterpolation,withwhichaselec-

tableresolutionofupto64flanks(16pulses)perperiodcanbeattained.ThismeansthatyoucanresolvethevolumemeasurementV

mwiththispreamplifiertoamaximumof1/64V

m.Fortheevalua-

tion,thismeansthatapartvolumeof1/64Vm

frompulseflankto

pulseflank(forquadrupleevaluationorflankcount)ismeasured,orafullsignalpulseiscountedaspartvolumeof1/16V

m(pulse

count)(interpolationVm/16).

ThisindividuallyprogrammedhighresolutionenablesyoutosetthevolumemeasurementV

moptimallyforeachpro-

videdcaseofapplication.Furthermore,newapplicationscanbeavailedwiththehigherresolution

Measuring,controllingandregulatinginlower

flowrangesMeasuring,controllingandregulatinginzeroflowMeasuring,controllingandregulatinginbothflow

directionsMeasuring,controlling,dosingandfillingofsmall

volumes

Flowmeterswithinterpolationelectronics(VSI)outputtwodigitalsignalswithprogrammablehighresolutionthatare

phase-offsetat 90.In additionto the signal emission,

a zero signal emissionis provided, whichemitsa zerosignalateachfullyregisteredvolumemeasurementV

m.

signAl emission of the pReAmplifieR with

inteRpolAtionThe gure shows the resolution of the volume measurementV

mwithaninterpolationfactorof8.Thisresolveseachvolume

measurementintoeightindividualpartvolumes.Apulseonthesignaloutputofchannel1orchannel2thushasavalueof

Vm* = Vm/8 = 1/8 Vm per pulse. In double evaluation(ank evaluation of one channel) this results in a value of1/2 V

m* = V

m /16 = 1/16 V

m and for quadruple evaluati-

on(ankevaluationofbothchannels)theresultisavalueof

1/4Vm*=V

m/32=1/32V

mperank.Evaluationelectronics

canrecognizeowdirectionfromsignalsoffsetat90.ThepreamplifieroftheVSIproductlinehasaprogrammedinterpolation factor (IPF) with which you can program

new,differentresolutions.Henceyoucanprogramare-

solutionof4to64angularsteps(seefigure4)pervolumemeasurementV

m.Thefrequencymultiplicationf*isbet-

ween1and16(seetable).


17/22

17

inteRpolAtion fActoR And Resolution

ira

ar

i/v max. r

(evaluation of signalanks)

R v*

(volume measurementV

m*) [ml]

max. r

(a r)

fr ax*

1 1 4(quadrupling) Vm/4 90 fmaxx1

2 2 8 Vm/8 45 fmaxx2

3 3 12 Vm/12 30 fmaxx3

4 4 16 Vm/16 22.5 fmaxx4

5 5 20 Vm/20 18 fmaxx5

8 8 32 Vm/32 11.25 fmaxx8

10 10 40 Vm/40 9 fmaxx10

12 12 48 Vm/48 7.5 fmaxx12

16 16 64 Vm/64 5.625 fmaxx16

Column1: programmableinterpolation factor IPF (pro- grammingisdoneinthefactory)

Column2:PulsespervolumemeasurementVm

Column3:maximumresolutionofthesignalflanks.The signal flankschannels1and2areevaluated.

Column4: Volume measurementVm

* resulting from the maximum resolutionof the signal flanks.Column5:maximumresolutioninangledegreesatreso-

lutionofsignalflanks.Column6:maximum frequency f

max* at maximum flow

Qmax

andprogrammedinterpolationfactorIPF

InpracticethemaximumflowQmaxoftheflowmeterisseldomrunsothat

alowerfrequencycanbecalculated.Themaximumfrequencyisthencalculatedaccordingtothefollowingformula:

f

max*=

(Qmax

)*IPFformula1

Vm

fmax*

Maximum frequency of the flow meter signals

Qmax

Maximumflowattainedinthecaseofapplication describedhereIPF Programmedinterpolation factor

Vm

Volumemeasurementoftheflowmeter

exa: Flow meter VSI 1/10 max. flow rate of the systematmaximumcapacityQ

max = 40 l/min = 666.667 ml/sec; IPF = 10;

Vm

=1ml/pulse;fmax*

=6666.67Hz=6.66667kHz

Atmax. flowmax*

= 40l/min, the flow meter VSI 1/10 outputsafrequencyof

fmax*

= 6666.67Hz.


18/22

18

type Key flow meteRs vsi

type Key

eXAmple


19/22

19

electRonic displAys with AnAlogue output

Flowmetertypeselectablebymenu

Flowmeterdirectionindicator16Bit-analogueoutput 010V

020mA 0/420mA2limitvalueoutputs

SemiconductorPC-Interface RS 232 or RS 485Apowersupplyforflowsensoris

integrated 24 Volt DC/100 mA

Flowdirectionindicationwithswit- chingoutput(0V/5V)

2optocouplerlimitvalueoutputs, limit value are individually pro- grammable

Analogue output with flow rate direction dependent voltage-/ current-polarityisavaible

0()10V 0()20mA 4 20mA

Apowersupplyforflowsensoris integrated24VDC/50mA

Flow rate- or volumedisplay pro-

grammable, with linearizer func- tion12Bit-analogueoutput

010V 020mA 420mA

2limitvalue-relayoutputsPC-InterfaceRS232Apowersupplyforflowsensoris

integrated12Volt/100mA

flow meAsuRement dpZ-imp foR 1- oR 2-chAnnelflow sensoRFlowmetertypeselectableby menu16bit-analogueoutput 010V 020mA

0/420mA2limitvalueoutputs

SemiconductorPC-InterfaceRS232oderRS485Apowersupplyforflowsensoris integrated24VoltDC/100mA

univeRsAl meAsuRing instRument

vfm 320 foR dynAmic pRocess meAsuRe-

ments And closed loop contRolsFlowrate,volumeandratiomeasurementsaswellas measurementandcontrolof volume-shots ormass-

shotsin2-componentmixingsystemsSignalprocessingof2flowsensorswith2-channel

signaloutputs2independentdynamicanalogueoutputswith16Bit digital-analogueconverterD/A-converter:


20/22

20

electRonic displAys without AnAlogue output

volumen-pResetcounteRAnd BAtch-counteR gel 103

foR 2-oR 1-chAnnel flow

sensoRDisplay values for actual volume valueand2volumepresetvalues

will be displayed simultaneously2limitedvaluerelayandtransistor outputs,1transistoroutputforbatch

presetcontrolPhase discriminator for 2-channel flow rate sensor with single,

double or quadruplevolume im-

pulse edge evalution programm- able

Apowersupplyforflowsensoris integrated24VDC10%,max. 60mA

gel 103

instRuments foR impulse conditioning

Converteroutputsignalforopera- tionwith1-channelflowsensor

0...10V 0...20mA 4...20mAConverteroutputsignalwithflow

direction polarity for operation with2-channelflowsensor 0...10V

0...20mAEvaluation of flow direction via digital output signal possible if a

2-channelflowsensorisconnectedProportionalto flowfrequency a digital output frequency signal

with multiplier factoris adjustable

fRequency-/AnAlogueconveRteR digfu 1

For example: for chart recorder withimpulseinput,forward-/reverse- counter, computer, PC- and PLC

controlsAvailableoutputvoltages: TTL5V,8 V,12V,CMOS15V

Powersupply/currentconsumption: 10... 30 VDC, 20 mA without flowsensor

Inverted and non inverted output signal forbothchannelsintegrated among other things for connec-

tionondifferentialcountinputsto achieve a distortion free signal transmission over long cable dis-

tances

signAl conveRteR pgw-1

foR 2- oR 1- chAnnel

flow sensoRs to conveRt

flow sensoR output

signAls into otheRvoltAge levels

Economicalinterfaceswithgalva- nic isolation between intrinsically safe and nonintrinsically safe cir-

cuitsMustbeinstalledinthesafeareaAre used to limit the electrical

power into an intrinsically safe circuitin sucha waythatneither sparks nor thermal effects (hot

surfaces) can cause an ignitionConnection diagram and exact orderno.seepage11.

BARRieR AmplifieRmK-13

20


21/22

21

AccessoRies / customeR specific solutions

Inhouse calibrations from0.002 l/min ... 600 l/min, tra-ceable toa DKD normal. We are

pleased to provide you with loanunitsforthetimeofrepairorcalibra-tion.Repairandcalibrationalsoof

externalbrandsaswellaselectro-nicdisplays.

Customerspecificsolutionscanberealizedforpricesinlinewithmarket

requirementsintheshortesttime.Wedevelop your solutions in allcurrentmaterialssuchassteel,stainlesssteel,

titanium and aluminium as well asbronzematerials.

Whetherforinstallioninvehicles

orinclimaticexposuretestcabinets;wehaveasolutionforalmosteverymeasuring application. High relia-

bility, lowspace requirements andhighestmeasurementaccuracy,alsofordifficultmediaoraggressiveat-

mospheresdistinguishourproducts.

Dyes,paints,(hot-)adhesivesorepoxy or PUR-materials also withfillers can be reliably measured.

Pressuresupto700barandtempe-raturesupto210Careincludedinourstandardproductrange.

customeR specific pRocess contRol AutomoBile industRy

Connectionblocksalsoheatable,

sandwich plates with integratedballvalvesandheatingjacketsforall current flow meters. Additionalmeasuringconnectionsforpressure

andtemperaturecanbesuppliedfromstock.

AccessoRies

RepAiR / cAliBRAtion seRvice


22/22

VSEVolumentechnikGmbH VSEVolumentechnikGmbHHnnestrae49 Postfach/P.O.Box122958809Neuenrade/Germany 58804Neuenrade/Germany

www.p

lakart.d

e

woRldwide seRvice / pRoducts

woRldwide seRvice

quAlified Advice thRough

longstAnding coopeRAtion

pARtneRspersonalcompetentefficient

pRoductsPrecisiongearflowmetersforgeneral industrialapplications

Stainlesssteelgearflowmetersforspecial applications

Turbineflowmeters

Standardisedandindividualelectronicreadouts

Electronicdevicesforspecialsolutionsinmeasurement,

controlandregulationtechnology

Repairandcalibrationservice

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Vse Serievs en 0510

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